A nurse is instructing a group of clients regarding nutrition. Which of the following is a good source of omega-3 fatty acids that the nurse should include in the teaching?
Fish
Leafy green vegetables
Dietary supplements
Corn oil
The Correct Answer is A
A. Fish, particularly fatty fish such as salmon, mackerel, and sardines, are excellent sources of omega-3 fatty acids, which are beneficial for heart health and reducing inflammation.
B. Leafy green vegetables contain some omega-3 fatty acids, but they are not considered a primary source compared to fish.
C. Dietary supplements can provide omega-3s, but they are not food sources and may not be necessary if individuals can obtain omega-3s from their diet.
D. Corn oil is primarily high in omega-6 fatty acids, which do not provide the same benefits as omega-3s and can lead to an imbalance if consumed in excess.
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Correct Answer is C
Explanation
A. Alcohol-based hand sanitizers are not effective against C. difficile spores; hand hygiene should be performed using soap and water to effectively remove the spores.
B. Testing for C. difficile typically involves stool samples, not blood specimens, making this option inappropriate for confirming the infection.
C. Placing the client on contact precautions is essential to prevent the spread of C. difficile, as it is highly contagious and can be transmitted via surfaces and direct contact.
D. A surgical mask is not necessary for clients with C. difficile unless they have respiratory symptoms; the primary concern is preventing contact transmission.
Correct Answer is D
Explanation
A. Injecting the medication 12.7 cm (5 in) below the acromion process is incorrect; the injection site should be approximately 2.5 to 5 cm (1 to 2 inches) below the acromion process.
B. A 21-gauge needle may be appropriate for some IM injections, but a 23- to 25-gauge needle is commonly used for deltoid injections due to the smaller muscle mass.
C. While IM injections into the deltoid are typically given at a 90-degree angle, the volume of medication is the critical factor for this injection site.
D. Injecting a volume of less than 2 mL is correct, as the deltoid muscle can accommodate this amount effectively, while larger volumes should be administered in larger muscles like the vastus lateralis or gluteus medius.